The HI-991001 is a tough and compact pH meter featuring a fully waterproof and dustproof case. Designed with features to make it as 'outdoor friendly' as possible, the meter floats is accidentally dropped into water to aid retrieval and has a rubberised keyboard and protected LCD display. The display itself is dual level and shows the pH value ...

The best-selling pH tester from Hanna Instruments. The Checker 1 is easy to use with a clear LCD display and thin pH electrode. Small enough to pop it in a pocket it is an ideal budget-conscious pH tester. Suitable for quick checks and general laboratory use. For replacement electrodes see HI-1270.

The compact FiveEasy meter is ideal for anyone working on a tight budget, who nevertheless requires rapid and reliable results. This instrument is suitable for a wide range of applications in various areas, such as the food and beverage industry, as well as water and environmental analysis. FiveEasy™ makes pH measurements a pleasure!

Ergonomic design for demanding conductivity applications. Optimized for conductivity measurement in the laboratory, at-line, or outdoors, the new Seven2Go Pro S7 portable is designed to provide users with fast quality data, one-handed operation and durability.

Fast and precise optical dissolved oxygen determination in the lab or outdoors. Optimized for dissolved oxygen in the laboratory, at-line, or outdoors, the new Seven2Go Pro S9 portable is designed to provide users with fast quality data, one-handed operation and durability.

Unmatched pH Performance for Safe Results: SevenExcellence is the perfect choice for applications where maximum measurement accuracy is required. The multi-channel instrument allows measurements of 1, 2 or 3 parameters simultaneously, either in the same or in different samples.